血統表（Howdoyouknow）

Howdoyouknow2000 USA [産駒]	Vaudeville1991 USA [産駒]	Theatrical1982 IRE [産駒]	Nureyev1977 USA [産駒]	Northern Dancer1961 CAN	Nearctic1954 CAN

					Natalma1957 USA

				Special1969 USA	Forli1963 ARG

					Thong1964 USA

			ツリーオブノレッジTree of Knowledge1977 IRE [産駒]	Sassafras1967 FR	Sheshoon1956 GB

					Ruta1960 FR

				Sensibility1971 USA	Hail to Reason1958 USA

					Pange1955 GB

		スナイスS'Nice1984 USA [産駒]	Riverman1969 USA [産駒]	Never Bend1960 USA	Nasrullah1940 GB

					Lalun1952 USA

				River Lady1963 USA	Prince John1953 USA

					Nile Lily1954 USA

			Smile Even Though1974 USA [産駒]	Hawaii1964 SAF	Utrillo1958 ITY

					Ethane1947 SAF

				Katira1959 USA	Correspondent1950 USA

					Karenina1954 USA

	Nahema1982 USA [産駒]	Believe It1975 USA [産駒]	In Reality1964 USA [産駒]	Intentionally1956 USA	Intent1948 USA

					My Recipe1947 USA

				My Dear Girl1957 USA	Rough'n Tumble1948 USA

					Iltis1947 USA

			Breakfast Bell1970 USA [産駒]	Buckpasser1963 USA	Tom Fool1949 USA

					Busanda1947 USA

				Reveille1961 AUS	Star KingdomStar King1946 IRE

					Emulation1954 NZ

		Flickering Star1973 USA [産駒]	Chompion1965 USA [産駒]	トンピオンTompion1957 USA	Tom Fool1949 USA

					Sunlight1952 USA

				Mahratta1947 USA	Mahmoud1933 FR

					Schwester1936 USA

			Winking Star1959 USA [産駒]	Dark Star1950 USA	Royal Gem1942 AUS

					Isolde1938 USA

				Peccadillo1952 USA	Nasrullah1940 GB

					Imprudence1944 FR